<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>导航</title>
  <link href="css/bootstrap.min.css" rel="stylesheet"/>
  <script src="js/jquery-3.3.1.min.js"></script>
  <script src="js/bootstrap.min.js"></script>
</head>
<body>
<ul class="nav nav-tabs">
  <li role="presentation" ><a href="#">首页</a></li>
  <li role="presentation" class="active"><a href="#">国内电影</a></li>
  <li role="presentation"><a href="#">欧美电影</a></li>
</ul>

</body>
</html>